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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
from __future__ import annotations
import os
import sys
from dataclasses import dataclass
from enum import Enum
from pathlib import Path
from .pyproject_toml import write_pyproject_toml
from .pyproject_json import write_pyproject_json
"""New project generation code."""
_WIDGET_MAIN = """if __name__ == '__main__':
app = QApplication(sys.argv)
window = MainWindow()
window.show()
sys.exit(app.exec())
"""
_WIDGET_IMPORTS = """import sys
from PySide6.QtWidgets import QApplication, QMainWindow
"""
_WIDGET_CLASS_DEFINITION = """class MainWindow(QMainWindow):
def __init__(self):
super().__init__()
"""
_WIDGET_SETUP_UI_CODE = """ self._ui = Ui_MainWindow()
self._ui.setupUi(self)
"""
_MAINWINDOW_FORM = """<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>MainWindow</class>
<widget class="QMainWindow" name="MainWindow">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>800</width>
<height>600</height>
</rect>
</property>
<property name="windowTitle">
<string>MainWindow</string>
</property>
<widget class="QWidget" name="centralwidget"/>
<widget class="QMenuBar" name="menubar">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>800</width>
<height>22</height>
</rect>
</property>
</widget>
<widget class="QStatusBar" name="statusbar"/>
</widget>
</ui>
"""
_QUICK_FORM = """import QtQuick
import QtQuick.Controls
ApplicationWindow {
id: window
width: 1024
height: 600
visible: true
}
"""
_QUICK_MAIN = """import sys
from pathlib import Path
from PySide6.QtGui import QGuiApplication
from PySide6.QtCore import QUrl
from PySide6.QtQml import QQmlApplicationEngine
if __name__ == "__main__":
app = QGuiApplication()
engine = QQmlApplicationEngine()
qml_file = Path(__file__).parent / 'main.qml'
engine.load(QUrl.fromLocalFile(qml_file))
if not engine.rootObjects():
sys.exit(-1)
exit_code = app.exec()
del engine
sys.exit(exit_code)
"""
NewProjectFiles = list[tuple[str, str]] # tuple of (filename, contents).
@dataclass(frozen=True)
class NewProjectType:
command: str
description: str
files: NewProjectFiles
def _write_project(directory: Path, files: NewProjectFiles, legacy_pyproject: bool):
"""
Create the project files in the specified directory.
:param directory: The directory to create the project in.
:param files: The files that belong to the project to create.
"""
file_names = []
for file_name, contents in files:
(directory / file_name).write_text(contents)
print(f"Wrote {directory.name}{os.sep}{file_name}.")
file_names.append(file_name)
if legacy_pyproject:
pyproject_file = directory / f"{directory.name}.pyproject"
write_pyproject_json(pyproject_file, file_names)
else:
pyproject_file = directory / "pyproject.toml"
write_pyproject_toml(pyproject_file, directory.name, file_names)
print(f"Wrote {pyproject_file}.")
def _widget_project() -> NewProjectFiles:
"""Create a (form-less) widgets project."""
main_py = (_WIDGET_IMPORTS + "\n\n" + _WIDGET_CLASS_DEFINITION + "\n\n"
+ _WIDGET_MAIN)
return [("main.py", main_py)]
def _ui_form_project() -> NewProjectFiles:
"""Create a Qt Designer .ui form based widgets project."""
main_py = (_WIDGET_IMPORTS
+ "\nfrom ui_mainwindow import Ui_MainWindow\n\n\n"
+ _WIDGET_CLASS_DEFINITION + _WIDGET_SETUP_UI_CODE
+ "\n\n" + _WIDGET_MAIN)
return [("main.py", main_py),
("mainwindow.ui", _MAINWINDOW_FORM)]
def _qml_project() -> NewProjectFiles:
"""Create a QML project."""
return [("main.py", _QUICK_MAIN),
("main.qml", _QUICK_FORM)]
class NewProjectTypes(Enum):
QUICK = NewProjectType("new-quick", "Create a new Qt Quick project", _qml_project())
WIDGET_FORM = NewProjectType("new-ui", "Create a new Qt Widgets Form project",
_ui_form_project())
WIDGET = NewProjectType("new-widget", "Create a new Qt Widgets project", _widget_project())
@staticmethod
def find_by_command(command: str) -> NewProjectType | None:
return next((pt.value for pt in NewProjectTypes if pt.value.command == command), None)
def new_project(
project_dir: Path, project_type: NewProjectType, legacy_pyproject: bool
) -> int:
"""
Create a new project at the specified project_dir directory.
:param project_dir: The directory path to create the project. If existing, must be empty.
:param project_type: The Qt type of project to create (Qt Widgets, Qt Quick, etc.)
:return: 0 if the project was created successfully, otherwise 1.
"""
if any(project_dir.iterdir()):
print(f"Can not create project at {project_dir}: directory is not empty.", file=sys.stderr)
return 1
project_dir.mkdir(parents=True, exist_ok=True)
try:
_write_project(project_dir, project_type.files, legacy_pyproject)
except Exception as e:
print(f"Error creating project file: {str(e)}", file=sys.stderr)
return 1
if project_type == NewProjectTypes.WIDGET_FORM:
print(f'Run "pyside6-project build {project_dir}" to build the project')
print(f'Run "pyside6-project run {project_dir / "main.py"}" to run the project')
return 0
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